public void NodeCollectionClearAllTest() { IEvent event1 = new MockEvent("item1", DateTime.Now, null, "Access"); IEvent event2 = new MockEvent("item2", DateTime.Now, null, "Creation"); Node node1 = new MockNode(event1); Node node2 = new MockNode(event2); var nodeCollection = new NodeCollection { nodeList = new List <Node> { node1, node2 } }; Assert.AreEqual(2, CountVisible(nodeCollection.nodeList)); nodeCollection.AddEventFilter("mockFilter", new MockNodeFilter(node1)); Assert.AreEqual(1, CountVisible(nodeCollection.nodeList)); nodeCollection.ClearAllFilters(); Assert.AreEqual(2, CountVisible(nodeCollection.nodeList)); }